As adjectives the difference between gaggy and jaggy
is that gaggy is disgusting enough to provoke a gag reflex while jaggy is jagged, toothed or serrated.
gaggy
English
Adjective
(
er)
disgusting enough to provoke a gag reflex.
- Ice cream with rock salt in it is gaggy .
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jaggy
English
Adjective
(er)
jagged, toothed or serrated